Ball Bearing
Deep Groove Ball Bearing 63/32 Zz 2RS P0-P4 Precision for Industrial Machinery
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ISO 9001:2015
P0-P4 Precision
Factory Direct
Product Detail
Electrical Insulation Deep Groove Ball Bearing 6311m/C3vl0241 for Auto Electrical Systems 120x170x28mm
Ensure reliable performance in auto electrical systems with this Electrical Insulation Ball Bearing, designed to eliminate current leakage and extend component lifespan. The 6311m/C3vl0241 model features a single row deep groove structure (120x170x28mm) crafted from high-grade bearing steel, delivering stable radial load support and precise 0° contact angle operation—critical for minimizing vibration in sensitive electrical applications.
- Engineered with VL0241 insulation technology to prevent electrolytic corrosion, addressing common longevity issues in high-moisture automotive environments
- C3 clearance rating ensures optimal thermal expansion accommodation, maintaining performance under fluctuating temperatures
- Backed by Saifan’s ISO 9001-certified quality control and 12-month warranty, offering peace of mind for industrial and automotive manufacturers
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
Free Sample Available
OEM / ODM Support
T/T · L/C · Alibaba
Product Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 6311m/C3vl0241 |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Specification (d×D×B) | 120×170×28mm |
| Trademark | NTN |
| Origin | Germany Sweden Japan |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Auto Electrical Systems, Alternators, Starter Motors |
| Industrial Machinery | Electric Motors, Pumps, Compressors |
Prevent Electrical Damage in Auto Systems with 6311m/C3vl0241 Electrical Insulation Ball Bearing
Auto electrical system failures often trace back to bearing issues—current leakage causing pitting, premature wear from inadequate insulation, or mismatched specifications leading to costly downtime. For automotive manufacturers and repair shops, sourcing reliable electrical insulation bearings that meet exact dimensional and performance standards remains a persistent challenge.
Engineered for Auto Electrical System Reliability
The Electrical Insulation Deep Groove Ball Bearing 6311m/C3vl0241 addresses these critical pain points with precision-engineered insulation to prevent electrical arcing in auto electrical systems. As an integrated manufacturer with ISO9001 certification, we ensure each bearing meets strict quality control standards, supported by our full R&D and QC lab capabilities. This 120x170x28mm deep groove bearing delivers stable performance in alternators, starter motors, and other electrical components where insulation and radial load capacity are non-negotiable.
Optimal Performance in Auto Electrical Environments
Designed for radial load applications in auto electrical systems, this single-row deep groove ball bearing operates with a 0° contact angle, optimizing load distribution under continuous rotation. The electrical insulation feature (vl0241) is critical for protecting sensitive components from stray currents, a common issue in hybrid and electric vehicle systems where voltage fluctuations can damage standard bearings. Its 120mm bore diameter and 170mm outer diameter make it compatible with common automotive electrical system configurations, ensuring seamless integration during assembly or replacement.
Key Technical Parameters for System Compatibility
The 6311m/C3vl0241 bearing combines several engineering features that directly impact auto electrical system performance. The C3 clearance class provides thermal expansion room, preventing seizure during temperature spikes common in engine compartments. Constructed from high-grade bearing steel, it balances durability and fatigue resistance—essential for withstanding the 5000-6000 r/min operating speeds typical in automotive alternators. The “m” designation indicates a brass cage, offering superior heat dissipation compared to polymer alternatives, critical for maintaining insulation integrity under prolonged use. These specifications ensure the bearing meets the rigorous demands of automotive electrical systems, from passenger cars to commercial vehicles.
Why Genuine Insulation Bearings Reduce Total Cost
Choosing authentic Electrical Insulation Ball Bearings like the 6311m/C3vl0241 eliminates hidden costs associated with counterfeit products. Non-insulated or poorly insulated bearings often fail within 3-6 months, requiring rework, component replacement, and labor expenses that exceed the initial savings from cheaper alternatives. Our bearings comply with international industry standards, backed by a 12-month global warranty that covers manufacturing defects. For automotive OEMs and tier suppliers, this translates to predictable maintenance schedules, reduced warranty claims, and lower total cost of ownership compared to using substandard components.
Our Commitment to Reliable Bearing Supply
With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, Jinan Saifan Bearing has established a reputation for stable supply and quality assurance. We maintain ISO9001 and ISO14001 certifications, with each bearing undergoing rigorous testing before shipment. Our flexible order system supports 1pc MOQ for standard items, ideal for emergency repairs or small-batch production runs. Technical support is available throughout the product lifecycle, from pre-purchase specification confirmation to post-installation guidance. As an authorized supplier of authentic NSK/INA bearings, we guarantee product traceability and authenticity, providing peace of mind for critical automotive applications.
Packaging & Shipping
- Protective industrial packaging with model identification and batch tracing
- Sample lead time: 3–5 days for product verification
- Bulk delivery: 5–15 days after order confirmation
- Global logistics options: DHL, FedEx, UPS, or sea freight as needed
- 1pc minimum order quantity for standard bearings
Secure Your Auto Electrical System Bearings Today
Don’t let bearing failure disrupt your production schedule or compromise vehicle reliability. The 6311m/C3vl0241 Electrical Insulation Deep Groove Ball Bearing is in stock and ready to ship, with free technical guidance available to confirm compatibility with your specific auto electrical system. Early order placement ensures timely delivery, minimizing downtime and keeping your operations on track.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we supply authentic NTN bearings sourced through authorized channels, with full traceability documentation available upon request.
Q: How do I confirm if this bearing fits my auto electrical system?
A: Provide your equipment model or existing bearing specifications, and our technical team will verify compatibility at no cost.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch requirements.
Q: How quickly can you ship this bearing?
A: Samples ship within 3–5 days, and bulk orders deliver in 5–15 days, with expedited options available for urgent needs.
Q: How can I verify the bearing’s insulation performance?
A: Each bearing undergoes insulation resistance testing during production, and test reports can be provided for quality assurance.
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